<template>
  <div class="mod-menu">
    <el-form :inline="true" :model="dataForm">
      <el-form-item v-show="!selectMode">
        <el-button size="mini" v-if="isAuth('wx:wxassets:save')" type="primary" @click="addOrUpdateHandle()">新增
        </el-button>
      </el-form-item>
    </el-form>
    <div v-loading="dataListLoading">
      <div class="card" v-for="item in dataList" :key="item.mediaId" @click="onSelect(item)">
        <el-image v-if="fileType==='image'" class="card-image" :src="item.url" fit="contain" lazy></el-image>
        <div v-else class="card-preview">
          <div v-if="fileType==='voice'" class="card-preview-icon el-icon-microphone"></div>
          <div v-if="fileType==='video'" class="card-preview-icon el-icon-video-camera-solid"></div>
          <div class="card-preview-text">管理后台不支持预览<br/>微信中可正常播放</div>
        </div>
        <div class="card-footer">
          <div class="text-cut-name">{{item.name}}</div>
          <div>{{item.updateTime}}</div>
          <div class="flex justify-between align-center" v-show="!selectMode">
            <el-button size="mini" type="text" icon="el-icon-copy-document" v-clipboard:copy="item.mediaId"
                       v-clipboard:success="onCopySuccess" v-clipboard:error="onCopyError">复制media_id
            </el-button>
            <el-button size="mini" type="text" icon="el-icon-delete" @click="deleteHandle(item.mediaId)">删除</el-button>
          </div>
        </div>
      </div>
    </div>
    <el-pagination @current-change="currentChangeHandle" :current-page="pageIndex" :page-sizes="[20]" :page-size="20"
                   :total="totalCount" layout="total, prev,pager, next, jumper">
    </el-pagination>
    <!-- 弹窗, 新增 / 修改 -->
    <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="onChange"></add-or-update>
  </div>
</template>
<script>
import AddOrUpdate from './material-file-add-or-update'

export default {
  name: 'material-file',
  props: {
    fileType: {
      // image、voice、video
      type: String,
      default: 'image'
    },
    selectMode: {
      // 是否选择模式，选择模式下点击素材选中，不可新增和删除
      type: Boolean,
      default: false
    }
  },
  components: {
    AddOrUpdate
  },
  data () {
    return {
      dataForm: {},
      addOrUpdateVisible: false,
      dataList: [],
      pageIndex: 1,
      pageSize: 20,
      totalCount: 0,
      dataListLoading: false
    }
  },
  mounted () {
    this.init()
  },
  methods: {
    init () {
      if (!this.dataList.length) {
        this.getDataList()
      }
    },
    getDataList () {
      if (this.dataListLoading) {
        return
      }
      this.dataListLoading = true
      this.$http({
        url: '/manage/wxAssets/materialFileBatchGet',
        params: {
          'page': this.pageIndex,
          'type': this.fileType
        }
      }).then(({data}) => {
        if (data && data.code === 0) {
          this.dataList = data.data.items
          this.totalCount = data.data.totalCount
          this.pageIndex++
        } else {
          this.$message.error(data.msg)
        }
        this.dataListLoading = false
      })
    },
    // 新增 / 修改
    addOrUpdateHandle () {
      this.addOrUpdateVisible = true
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init(this.fileType)
      })
    },
    onSelect (itemInfo) {
      if (!this.selectMode) {
        return
      }
      this.$emit('selected', itemInfo)
    },
    // 删除
    deleteHandle (id) {
      this.$confirm(`确定对[mediaId=${id}]进行删除操作?`, '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.$http({
          url: '/manage/wxAssets/materialDelete',
          method: 'post',
          data: {
            mediaId: id
          }
        }).then(({data}) => {
          if (data && data.code === 0) {
            this.$message({
              message: '操作成功',
              type: 'success',
              duration: 1500
            })
            this.onChange()
          }
        })
      })
    },
    // 当前页
    currentChangeHandle (val) {
      this.pageIndex = val
      this.getDataList()
    },
    onCopySuccess () {
      this.$message.success('已复制')
    },
    onCopyError () {
      this.$message.error('复制失败,可能是此浏览器不支持复制')
    },
    onChange () {
      this.pageIndex = 1
      this.getDataList()
      this.$emit('change')
    }

  }
}
</script>
<style scoped>
.card {
  width: 170px;
  display: inline-block;
  background: #FFFFFF;
  border: 1px solid #EBEEF5;
  box-shadow: 1px 1px 20px 0 rgba(0, 0, 0, 0.1);
  margin: 0 10px 10px 0;
  vertical-align: top;
  border-radius: 5px;
  box-sizing: border-box;
}

.card:hover {
  border: 2px solid #66b1ff;
  margin-bottom: 6px;
}

.card-image {
  line-height: 170px;
  max-height: 170px;
  width: 100%;
}

.card-preview {
  padding: 20px 0;
  color: #d9d9d9;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card-preview-icon {
  font-size: 30px;
  margin-right: 5px;
}

.card-preview-text {
  font-size: 12px;
}

.card-footer {
  color: #ccc;
  font-size: 12px;
  padding: 15px 10px;
}
</style>
